Name: Copper Powder 325-Mesh - 1-lbs
SKU: 239199174563463171
Availability: InStock

Copper Powder 325-Mesh - 1-lbs

6 Reviews

$18.95 ~~$24.64~~

Copper Powder 325-Mesh - 1-lbs

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This is a fine grade of 325 mesh the correct fineness for cold casting. Copper or other metallic powder is added to polyester resin, polyurethane resin, epoxy, gypsum cement, or other binders. Small objects are cast and cured in suitable molds. To conserve metal when casting large pieces you can dust (salt) the mold surface, brush a thin coating on the surface, spread or roll the metal on, or spray a thin coating. The mold is then backfilled with resin or fiberglass, iron or steel shot, sand, or calcium carbonate to increase the weight to give it the heft and feel of a hot foundry ‘pour.’ You can also lighten the piece by adding hollow glass beads to your backup casting mix. After curing and removal from the mold, the object must be gently abraded or burnished with fine steel wool (triple 0 grade), a Scotch Brite® pad, or sand blasted to remove the microscopic film of binder from the surface of the metal particles. This exposes the pure metal beneath. Click here to download information on creating cold-casting pieces. The object will have the authentic look and feel of a true hot metal foundry casting. That is because the surface is now true metal. It then can be naturally oxidized or patinated to achieve an antique look.

1 review for Chaz Kangeroo Hoodies

admin - 30 Nov, 2018

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